(cd run_fmpy && python3 -m fmpy simulate --output-file ../IDEAS_dev_IDEAS.Fluid.Examples.FlowSystem.Simplified1_fmpy_res.csv --start-time 0 --stop-time 1000 --timeout 240 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.4 ../IDEAS_dev_IDEAS_Fluid_Examples_FlowSystem_Simplified1.fmu)
LOG_STDOUT        | warning | Error solving linear system of equations (no. 10563) at time 0.000000.
LOG_STDOUT        | warning | Solving linear system 10563 fails at time 0. For more information use -lv LOG_LS.
LOG_ASSERT        | debug   | Solving linear system 10563 failed at time=0.
|                 | |       | For more information please use -lv LOG_LS.
LOG_ASSERT        | debug   | Error, singular Jacobian for dynamic state selection at time 0.000000
|                 | |       | Use -lv LOG_DSS_JAC to get the Jacobian
Traceback (most recent call last):
  File "<frozen runpy>", line 198, in _run_module_as_main
  File "<frozen runpy>", line 88, in _run_code
  File "/opt/libtest-venv/lib/python3.14/site-packages/fmpy/__main__.py", line 4, in <module>
    main()
    ~~~~^^
  File "/opt/libtest-venv/lib/python3.14/site-packages/fmpy/cli.py", line 186, in main
    result = simulate_fmu(args.fmu_filename,
                          validate=args.validate,
    ...<14 lines>...
                          visible=args.visible,
                          fmi_call_logger=fmi_call_logger)
  File "/opt/libtest-venv/lib/python3.14/site-packages/fmpy/simulation.py", line 799, in simulate_fmu
    result = simulateME(model_description, fmu, start_time, stop_time, solver, step_size, relative_tolerance, start_values, apply_default_start_values, input, output, output_interval, record_events, timeout, step_finished, validate, set_stop_time)
  File "/opt/libtest-venv/lib/python3.14/site-packages/fmpy/simulation.py", line 988, in simulateME
    fmu.exitInitializationMode()
    ~~~~~~~~~~~~~~~~~~~~~~~~~~^^
  File "/opt/libtest-venv/lib/python3.14/site-packages/fmpy/fmi2.py", line 404, in exitInitializationMode
    return self.fmi2ExitInitializationMode(self.component)
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^
  File "/opt/libtest-venv/lib/python3.14/site-packages/fmpy/fmi2.py", line 156, in fmi2ExitInitializationMode
    return self._call("fmi2ExitInitializationMode", c)
           ~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/libtest-venv/lib/python3.14/site-packages/fmpy/fmi1.py", line 369, in _call
    raise FMICallException(function=fname, status=res)
fmpy.fmi1.FMICallException: fmi2ExitInitializationMode failed with status 3 (error).